| 释义 | plu·to·ni·an \plüˈtōnēən, ˈ ̷ ̷ ̷ ̷ ̷ ̷ ̷ ̷\ adjective
 Etymology: Latin plutonius plutonian (from Greek ploutōnios, from Ploutōn Pluto, Greek god of the subterranean world of the dead) + English -an
 1. sometimes capitalized
 a.  : of or relating to the lower world : infernal
 b.  : resembling the lower world : grim and gloomy : harsh and unpleasing
 < a plutonian darkness >
 < such plutonian landscapes >
 2.  : plutonic 1
 3.  : of or relating to the planet Pluto
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